mirror of https://github.com/go-gorm/gorm.git
99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
package gorm
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
func BeforeCreate(scope *Scope) {
|
|
scope.CallMethod("BeforeSave")
|
|
scope.CallMethod("BeforeCreate")
|
|
}
|
|
|
|
func UpdateTimeStampWhenCreate(scope *Scope) {
|
|
if !scope.HasError() {
|
|
now := NowFunc()
|
|
scope.SetColumn("CreatedAt", now)
|
|
scope.SetColumn("UpdatedAt", now)
|
|
}
|
|
}
|
|
|
|
func Create(scope *Scope) {
|
|
defer scope.Trace(NowFunc())
|
|
|
|
if !scope.HasError() {
|
|
// set create sql
|
|
var sqls, columns []string
|
|
for _, field := range scope.Fields() {
|
|
if field.IsNormal && (!field.IsPrimaryKey || !scope.PrimaryKeyZero()) {
|
|
if field.DefaultValue != nil && field.IsBlank {
|
|
continue
|
|
}
|
|
columns = append(columns, scope.Quote(field.DBName))
|
|
sqls = append(sqls, scope.AddToVars(field.Field.Interface()))
|
|
}
|
|
}
|
|
|
|
returningKey := "*"
|
|
if scope.PrimaryKey() != "" {
|
|
returningKey = scope.PrimaryKey()
|
|
}
|
|
|
|
if len(columns) == 0 {
|
|
scope.Raw(fmt.Sprintf("INSERT INTO %v DEFAULT VALUES %v",
|
|
scope.QuotedTableName(),
|
|
scope.Dialect().ReturningStr(scope.TableName(), returningKey),
|
|
))
|
|
} else {
|
|
scope.Raw(fmt.Sprintf(
|
|
"INSERT INTO %v (%v) VALUES (%v) %v",
|
|
scope.QuotedTableName(),
|
|
strings.Join(columns, ","),
|
|
strings.Join(sqls, ","),
|
|
scope.Dialect().ReturningStr(scope.TableName(), returningKey),
|
|
))
|
|
}
|
|
|
|
// execute create sql
|
|
var id interface{}
|
|
if scope.Dialect().SupportLastInsertId() {
|
|
if result, err := scope.DB().Exec(scope.Sql, scope.SqlVars...); scope.Err(err) == nil {
|
|
id, err = result.LastInsertId()
|
|
if scope.Err(err) == nil {
|
|
scope.db.RowsAffected, _ = result.RowsAffected()
|
|
}
|
|
}
|
|
} else {
|
|
if scope.PrimaryKey() == "" {
|
|
if results, err := scope.DB().Exec(scope.Sql, scope.SqlVars...); err != nil {
|
|
scope.db.RowsAffected, _ = results.RowsAffected()
|
|
}
|
|
} else {
|
|
if scope.Err(scope.DB().QueryRow(scope.Sql, scope.SqlVars...).Scan(&id)) == nil {
|
|
scope.db.RowsAffected = 1
|
|
}
|
|
}
|
|
}
|
|
|
|
if scope.PrimaryKey() != "" && !scope.HasError() && scope.PrimaryKeyZero() {
|
|
scope.SetColumn(scope.PrimaryKey(), id)
|
|
}
|
|
}
|
|
}
|
|
|
|
func AfterCreate(scope *Scope) {
|
|
scope.CallMethod("AfterCreate")
|
|
scope.CallMethod("AfterSave")
|
|
}
|
|
|
|
func init() {
|
|
DefaultCallback.Create().Register("gorm:begin_transaction", BeginTransaction)
|
|
DefaultCallback.Create().Register("gorm:before_create", BeforeCreate)
|
|
DefaultCallback.Create().Register("gorm:save_before_associations", SaveBeforeAssociations)
|
|
DefaultCallback.Create().Register("gorm:update_time_stamp_when_create", UpdateTimeStampWhenCreate)
|
|
DefaultCallback.Create().Register("gorm:create", Create)
|
|
DefaultCallback.Create().Register("gorm:save_after_associations", SaveAfterAssociations)
|
|
DefaultCallback.Create().Register("gorm:after_create", AfterCreate)
|
|
DefaultCallback.Create().Register("gorm:commit_or_rollback_transaction", CommitOrRollbackTransaction)
|
|
}
|